Move personality and sync/recovery thread starting outside md_run. Moving the wakeup's of the personality and sync/recovery threads out of md_run and into do_md_run and mddev_resume solves two issues: 1) It allows bitmap_load to be called before the sync_thread is run and 2) when MD personalities are used by device-mapper (dm-raid.c), the start-up of the array is better alligned with device-mapper primatives (CTR/resume/suspend/DTR). I/O - in this case, recovery operations - should not happen until after a resume has taken place. Signed-off-by: Jonathan Brassow <jbrassow@xxxxxxxxxx> Index: linux-2.6/drivers/md/md.c =================================================================== --- linux-2.6.orig/drivers/md/md.c +++ linux-2.6/drivers/md/md.c @@ -351,6 +351,9 @@ void mddev_resume(mddev_t *mddev) mddev->suspended = 0; wake_up(&mddev->sb_wait); mddev->pers->quiesce(mddev, 0); + + md_wakeup_thread(mddev->thread); + md_wakeup_thread(mddev->sync_thread); /* possibly kick off a reshape */ } EXPORT_SYMBOL_GPL(mddev_resume); @@ -4619,9 +4622,6 @@ int md_run(mddev_t *mddev) if (mddev->flags) md_update_sb(mddev, 0); - md_wakeup_thread(mddev->thread); - md_wakeup_thread(mddev->sync_thread); /* possibly kick off a reshape */ - md_new_event(mddev); sysfs_notify_dirent_safe(mddev->sysfs_state); sysfs_notify_dirent_safe(mddev->sysfs_action); @@ -4642,6 +4642,10 @@ static int do_md_run(mddev_t *mddev) bitmap_destroy(mddev); goto out; } + + md_wakeup_thread(mddev->thread); + md_wakeup_thread(mddev->sync_thread); /* possibly kick off a reshape */ + set_capacity(mddev->gendisk, mddev->array_sectors); revalidate_disk(mddev->gendisk); mddev->changed = 1; -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
